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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 4
BKCSDE 32(4)
April 20, 2011 

 

1117  

Proton Transfer in Biomolecules Facilitated by Water: Quantum Chemical Investigations
Sungyul Lee
Keywords: Proton transfer, Biomolecule, Water
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1117

Abstract | Full Text: PDF


1125  

QM Scoring Function and its Application to TOP1 Inhibitors
Ky Youb Nam, Inhee Choi, Kwang Hwi Cho*,
Keywords: QM calculation, Binding affinity, Docking score, TOP1 inhibitor
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1125

Abstract | Full Text: PDF


1127  

Organocatalytic Enantioselective α-Alkylation of Cyclic Ketones by SN1-Type Reaction of Alcohols
Hyun Joo Lee, Seung Hee Kang, Dae Young Kim *
Keywords: Enamine catalysis, Carbocations, Organocatalysis, Alkylation, Nucleophilic substitution
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1127

Abstract | Full Text: PDF


1129  

Molecular-Scale Investigation of Reconstructed Copper Surface Induced by Dissociative Adsorption of O2
Jaegeun Noh, Kyukwan Zong, Joon B. Park*
Keywords: Copper, Dissociative adsorption, Reconstruction, Thin film
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1129

Abstract | Full Text: PDF


1131  

A New Efficient Synthetic Method for 3-Iodothyronamine Involving Sonication and its Potent Hypothermic Efficacy
Joong Gon Kim, Young Kyu Song, Ye Hyun Jo, Mi Ran Yu, Hyunwoo Ju, Inho Choi,*, Chan Moon Chung*,
Keywords: 3-Iodothyronamine, Hibernation-like state, ICR mouse
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1131

Abstract | Supporting Information | Full Text: PDF


1133  

The Characteristic Self-assembly of Gold Nanoparticles over Indium Tin Oxide (ITO) Substrate
Wan Chao Li, Sang Wha Lee *
Keywords: ITO Glass, Gold nanoparticles, Diamine ligand, Chain length
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1133

Abstract | Full Text: PDF


1138  

Kinetics and Mechanism of the Pyridinolysis of Aryl Phenyl Chlorothiophosphates in Acetonitrile
Md. Ehtesham Ul Hoque, Shuchismita Dey, Chan Kyung Kim, *Hai Whang Lee *
Keywords: Biphasic concave upward/downward free energy correlation, Phosphoryl transfer reaction, Pyridinolysis, Y-aryl phenyl chlorothiophosphates
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1138

Abstract | Full Text: PDF


1143  

Synthesis and Modification of Novel Iminecalix[4]arene Derivatives
Satish Balasaheb Nimse, Junbae Kim, Jeong Tae Lee, Keum Soo Song, Junghoon Kim, Van Thao Ta, Van Thuan Nguyen, Taisun Kim*
Keywords: Supramolecular chemistry, Calixarenes, Imines, Receptors, Spectroscopy, Substituent effects
Online date: April 07, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1143

Abstract | Full Text: PDF


1146  

2'-Spirocyclopropyl-carbocyclic Nucleoside as a Novel Scaffold for Potent Anti-HCV Agents
Hua Li, Jin Cheol Yoo, Joon Hee Hong*,
Keywords: Anti-HCV agent, Ring-closing metathesis, 2'-Spirocarbocyclic nucleoside
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1146

Abstract | Full Text: PDF


1153  

Aminolysis of S-4-Nitrophenyl X-Substituted Thiobenzoates: Effect of Nonleaving-Group Substituents on Reactivity and Mechanism
Li Ra Im, Sang Eun Jeon, Ik Hwan Um*
Keywords: Aminolysis, Electrophilicity, Nucleofugality, Polarizability, Thiol ester
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1153

Abstract | Full Text: PDF


1158  

Hydrophillic Interaction Chromatography-tandem Mass Spectrometry Method for Identification and Quantitation of 5-MeO-DIPT and its Metabolites in Rat Urine
Yoon Kim, Un Yong Kim, Moon Kyo In, Jaeick Lee, Oh Seung Kwon, Hye Hyun Yoo,*,
Keywords: 5-MeO-DIPT, HILIC-MS/MS, Metabolites, Profiling, Quantitation
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1158

Abstract | Full Text: PDF


1165  

Pyridinolysis of 2,4-Dinitrophenyl Phenyl Thionocarbonate: Effect of Changing Electrophilic Center from C=O to C=S on Reactivity and Mechanism
Min Ji Son, Song I Kim, Ik Hwan Um*
Keywords: Electrophilic center, Pyridinolysis, Polarizability, HSAB principle, Rate-determining step
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1165

Abstract | Full Text: PDF


1170  

High Accuracy Mass Measurement Approach in the Identification of Phospholipids in Lipid Extracts: 7 T Fourier-transform Mass Spectrometry and MS/MS Validation
Seonghyun Yu, Younjin Lee, Soojin Park, Yewon Lee, Kun Cho, Young Hwan Kim, Han Bin Oh*,
Keywords: Lipids, Fourier transform ion cyclotron resonance mass spectrometer, Linear ion trap, Accurate mass measurements, Lipid database
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1170

Abstract | Full Text: PDF


1179  

An Organocatalyzed and Ultrasound Accelerated Expeditious Synthetic Route to 1,5-Benzodiazepines under Solvent-Free Conditions
Pravin V. Shinde, Bapurao B. Shingate, Murlidhar S. Shingare *
Keywords: 1,5-Benzodiazepine, Camphor sulphonic acid, Ultrasonication, Solvent-free reaction.
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1179

Abstract | Full Text: PDF


1183  

Peptide C-terminal Sequence Analysis by MALDI-TOF MS Utilizing EDC Coupling with Br Signature
Mansup Shin, Hie Joon Kim *
Keywords: C-terminal sequencing, MALDI -TOF MS, Peptide, Br signature
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1183

Abstract | Full Text: PDF


1187  

Theoretical Studies on Mechanism and Kinetics of the Hydrogen-Abstraction Reaction of CF3CH2CHO with OH Radicals
Cheng gang Ci, Hong bo Yu, Su qin Wan, Jing yao Liu, *Chia Chung Sun
Keywords: Direct dynamics method, Rate constant, Variational transition-state theory, Density functional theory, Reaction mechanism
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1187

Abstract | Supporting Information | Full Text: PDF (ERRATUM)


1195  

Asymmetric Mannich-type Reactions of Fluorinated Ketoesters with Binaphthyl-Modified Thiourea Catalysts
Young Ku Kang, Sung Je Yoon, Dae Young Kim *
Keywords: Mannich reaction, Asymmetric catalysis, Bifunctional organocatalyst, α-Fluoro-β-ketoesters, NBoc imines
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1195

Abstract | Full Text: PDF


1201  

Direct and Efficient Conversion of Tertiary Thioamides to S-2-Oxo Thioesters under Solvent-free Conditions
Hassan Zali Boeini *Aida Khajeh
Keywords: Acid derivatives, Thioesters, Thioamide, Solvent-free
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1201

Abstract | Full Text: PDF


1204  

Lithium Insertion Behavior of Nanoscopic Co3O4 Prepared with Avian Egg Membrane as a Template
Maria Christy, Jisha. M. R, Ae Rhan Kim, Kee Suk Nahm, Dong Jin Yoo, E. K. Suh,*, T. Sri Devi Kumari, T. Prem Kumar, A. Manuel Stephan
Keywords: Oxides, Nanostructures, Electron microscopy, Electrochemical properties
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1204

Abstract | Full Text: PDF


1209  

Synthesis and Antiproliferative Activity of Pyridinylcarbonylpyrimidines Against Melanoma Cell Line
Hyemi Ahn, Jun A Lee, Hwan Kim, Chang Hyun Oh, So Ha Lee, Taebo Sim, Jung Mi Hah, Dong Jin Kim, Kyung Ho Yoo*
Keywords: Pyridinylcarbonylpyrimidines, Antiproliferative activity, Melanoma cell line
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1209

Abstract | Full Text: PDF


1215  

Selective Determination of Serotonin on Poly(3,4-ethylenedioxy pyrrole)-single-walled Carbon Nanotube-Modified Glassy Carbon Electrodes
Seul Ki Kim, Si Ra Bae, Mohammad Shamsuddin Ahmed, Jung Min You, Seungwon Jeon *
Keywords: 3,4-Ethylenedioxy pyrrole, Single-walled carbon nanotubes, Serotonin, Modified electrode, Biosensor
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1215

Abstract | Full Text: PDF


1221  

A Simple and Sensitive High Performance Liquid Chromatography-Electrospray Ionization/Mass Spectrometry Method for the Quantification of Ethyl Pyruvate in Rat Plasmac
Hyun Ji Kim, Seung Woo Kim, Ja Kyeong Lee, Sung Hwa Yoon*
Keywords: Ethyl pyruvate, Quantification, Liquid chromatography-mass spectrometry, Electrospray ionization, Sodium adduct formation
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1221

Abstract | Full Text: PDF


1228  

A New Acetate Selective Polyamine Receptor Based on Anthracene and 4-Nitrophenyl Group
Sung Kyu Lee, Jongmin Kang *
Keywords: Anion receptor, Polyamine receptor, Hydrogen bond
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1228

Abstract | Full Text: PDF


1231  

Helical Compounds Forming Gas-Phase Dimers: A Dispersion-corrected Density Functional Investigation
Pornthip Tongying, Thanasat Sooksimuang, Yuthana Tantirungrotechai*
Keywords: Helicene, Dispersion-corrected density functional, Aggregate, Chiral discrimination
Online date: April 07, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1231

Abstract | Supporting Information | Full Text: PDF


1237  

The Predictive QSAR Model for hERG Inhibitors Using Bayesian and Random Forest Classification Method
Jun Hyoung Kim, Chong Hak Chae, Shin Myung Kang, Joo Yon Lee, Gil Nam Lee, Soon Hee Hwang, Nam Sook Kang *
Keywords: hERG, Classification, Bayesian, Random forest, in-silico prediction
Online date: April 07, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1237

Abstract | Supporting Information | Full Text: PDF


1241  

3D-QSAR Analysis and Molecular Docking of Thiosemicarbazone Analogues as a Potent Tyrosinase Inhibitor
Joonho Park, Nack Do Sung*
Keywords: 3D-QSAR, CoMFA, CoMSIA, Thiosemicarbazone analogues, Tyrosinase inhibitor, Molecular docking
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1241

Abstract | Full Text: PDF


1249  

Synthesis and Biological Activities of (4-Arylpiperazinyl)piperidines as Nonpeptide BACE 1 Inhibitors
Poojary Boja, SunWoo Won, Dong Hoon Suh, Jeonghyun Chu, Woo Kyu Park, Hee Jong Lim *
Keywords: Alzheimer’s Disease (AD), BACE 1 (β-secretase), Non-peptidomimetic inhibitors, Arylpiperazinylpiperidines
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1249

Abstract | Full Text: PDF


1253  

Surface Structures and Thermal Desorption Behaviors of Cyclopentanethiol Self-Assembled Monolayers on Au(111)
Hungu Kang, Youyoung Kim, Taesun Park, Joon B. Park,*, Eisuke Ito, Masahiko Hara, Jaegeun Noh*
Keywords: Cyclopentanethiol, Self-assembled monolayers, Scanning tunneling microscopy, Thermal desorption spectroscopy, Structure
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1253

Abstract | Full Text: PDF


1263  

Enantioselective Recognition of Amino Alcohols and Amino Acids by Chiral Binol- Based Aldehydes with Conjugated Rings at the Hydrogen Bonding Donor Sites
Jiyoung Kim, Raju Nandhakumar,*, Kwan Mook Kim*,
Keywords: Chiral aldehyde, Chirality conversion, Enantioselective imine formation, Amino alcohols, Amino acids
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1263

Abstract | Full Text: PDF


1268  

Correlation of the Rates of Solvolysis of Phenyl Fluorothionoformate
Song Hee Choi, Mi Hye Seong, Yong Woo Lee*, Jin Burm Kyong*, Dennis N. Kevill
Keywords: Phenyl fluorothionoformate, Grunwald-winstein equation, Leaving group effect, Additionelimination, Solvolysis
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1268

Abstract | Full Text: PDF


1273  

Tb3+ and Ce3+ Intercalated Laponite Powder: The Influence of Ce3+ Ions on Thermal Stability and Optical Properties of Tb3+ Intercalated Laponite
Han Na Lee, Youhyuk Kim *
Keywords: Amorphous materials, Thermal properties, X-ray powder diffraction, Luminescence, Laponite
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1273

Abstract | Full Text: PDF


1277  

Preparation and Characterization of Core/Shell-type Ag/Chitosan Nanoparticles with Antibacterial Activity
Yue Lin*, Wang Jing, Pan Kang, Zhang Xiaoming, Wang Zhouping, Xia Wenshui
Keywords: Chitosan, Nanocomposite, Antibacterial activity
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1277

Abstract | Full Text: PDF


1282  

Cellular Uptake Properties of the Complex Derived from Quantum Dots and G8 Molecular Transporter
Jungkyun Im, Kaustabh K. Maiti, Wanil Kim, Kyong Tai Kim, Sung Kee Chung *
Keywords: Quantum dot, Molecular transporter, Internalization, Macropinocytosis, Blood-brain barrier
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1282

Abstract | Full Text: PDF


1285  

Self-assembly and Mechanism of L-Alanine-based Dihydrazide Derivative as Excellent Gelator of Organic Solvents
Chuan Sheng Wang*, Xiao Hong Wang, Zhi Yuan Li, Wei Wei, Zhong Liang Shi, Zhi Tong Sui
Keywords: L-Alanine, Hydrazide derivatives, Organogel, Gelator, Self-assembly, Hydrogen bonding
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1285

Abstract | Full Text: PDF


1293  

Chemical Modification of Rupestonic Acid and Preliminarily In Vitro Antiviral Activity Against Influenza A3 and B Viruses
Jian ping Yong, Haji Akber Aisa*
Keywords: Synthesis, Rupestonic acid ester derivatives, Anti-influenza virus
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1293

Abstract | Full Text: PDF


1298  

An Electrochemical Enzyme Immunochip Based on Capacitance Measurement for the Detection of IgG
Seung Jae Yi, Ji Hye Choi, Hwa Jung Kim, Seung Cheol Chang,*, Deog Su Park, Kyung Chun Kim, Chulhun L. Chang*,
Keywords: Immunochip, Enzyme immunoassay, Capacitance, Impedometric, Interdigitated electrode
Online date: April 07, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1298

Abstract | Full Text: PDF


1303  

Melt Copolymerization Reactions between 1,3-Bis(diethylamino)tetramethyldisiloxane and Aryldiol Derivatives
In Kyung Jung, Young Tae Park *
Keywords: Polycarbodisiloxanes, Aryldiols, Absorption, Excitation, Fluorescence, Thermal stability
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1303

Abstract | Full Text: PDF


1310  

The Effect of CTAB on the Citrate Sol-gel Process for the Synthesis of Sodium Beta-Alumina Nano-Powders
Zaihua Wang, Xinjun Li, Ziping Feng*
Keywords: Sodium beta-alumina, Surfactant, Sol-gel, Nano-powders
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1310

Abstract | Full Text: PDF


1315  

Comparison of Size-Exclusion Chromatography and Flow Field-Flow Fractionation for Separation of Whey Proteins
Da Young Kang, Jae Mi Moon, Seungho Lee*
Keywords: Whey proteins, Whey protein isolate (WPI), Separation, Asymmetrical flow field-flow fractionation (AsFlFFF), Size-exclusion chromatography (SEC)
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1315

Abstract | Full Text: PDF


1321  

Elemental Mercury Adsorption Behaviors of Chemically Modified Activated Carbons
Byung Joo Kim, Kyong Min Bae, Kay Hyeok An, Soo Jin Park*
Keywords: Keywords : Elemental mercury, Chemically modified activated carbons, Surface functional groups
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1321

Abstract | Full Text: PDF


1327  

Liquid-phase Dehydration of 1-Phenylethanol to Styrene over an Acidic Resin Catalyst
Nazmul Abedin Khan, Jin Soo Hwang, Sung Hwa Jhung*
Keywords: Dehydration, 1-Phenylethanol, Amberlyst-15, Liquid-phase, Styrene
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1327

Abstract | Supporting Information | Full Text: PDF


1331  

Annealing Temperature Dependence on the Physicochemical Properties of Copper Oxide Thin Films
J. Y. Park, T. H. Kwon, S. W. Koh, Y. C. Kang*,
Keywords: Copper oxide, Wettability, Band gap, Crystallinity
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1331

Abstract | Full Text: PDF


1336  

A Modified Enskog-Like Equation of Self-Diffusion Coefficients for Penetrable-Sphere Model Fluids
Soong Hyuck Suh *Hong Lai Liu
Keywords: Molecular dynamics simulation, Self-diffusion, Modified Enskog-like approximation
Online date: April 07, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1336

Abstract | Full Text: PDF


1341  

Electrochemical Polymerization of Ruthenium(II) Complex and Application to Acetaminophen Analysis
Sethuraman Kannan, Jung Ik Son, JeeEun Yang, Yoon Bo Shim *
Keywords: Ruthenium (II) complex, Voltammetric, Electrocatalysis, Acetaminophen, Modified electrode, Conducting polymer complex
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1341

Abstract | Full Text: PDF


1346  

Molecular Sensing Efficiency of Gold-Silver Alloy Nanowires
Weon Sik Chae*, Hee Ok Lee, Eun Mee Kim, Hyunung Yu
Keywords: Gold-Silver, Alloy, Nanowire, SERS, AAO
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1346

Abstract | Full Text: PDF


1349  

Hydrothermal Synthesis, Structure and Thermal Property of a New 3D Zinc Framework Containing 1,3,5-triazine-2,4,6-tricarboxylate
Xiu Cheng Zhang*, Ling Xu, Wen Guang Liu, Bing Liu,*,
Keywords: Crystal structure, TG, 1,3,5-Triazine-2,4,6-tricarboxylate, Zinc
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1349

Abstract | Full Text: PDF


1353  

Transparent Green-Emitting CaMoO4:Tb3+,Na+ Suspensions
Young Sik Cho, Young Duk Huh*
Keywords: Transparent suspension, CaMoO4:Tb3+,Na+, Photoluminescence
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1353

Abstract | Full Text: PDF


1357  

Sugar-Induced Release of Guests from Silica Nanocontainer with Cyclodextrin Gatekeepers
Jinwoo Lee, Jeonghun Lee, Saehee Kim, Chang-ju Kim, Sangyong Lee, Byungcheol Min, Yongtae Shin, Chulhee Kim*
Keywords: Cyclodextrin, Mesoporous silica, Sugar, Stimuli-responsive, Controlled release
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1357

Abstract | Full Text: PDF


1361  

Chiral Separation of Catechin by Capillary Electrophoresis with α-Cyclosophorooctadecaose Isolated from Rhodobacter sphaeroides as Chiral Selectors
Chanho Kwon, Daham Jeong, Seunho Jung *
Keywords: Catechin, Flavanol, α-Cyclosophorooctadecaose, Succinate, Anionic additives
Online date: April 08, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1361

Abstract | Full Text: PDF


1365  

Stability Monitoring of Pesticide Residues in a Chinese Cabbage Certified Reference Material
Byungjoo Kim
Keywords: Chinese cabbage CRM, Organophosphorus pesticides, Stability
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1365

Abstract | Full Text: PDF


1368  

Lupane-type Triterpenoids from the Leaves of Heteropanax fragrans
Sanjun Zhao*, Zunxi Huang, Jing Gao
Keywords: Heteropanax fragrans, Lupane-type triterpenoid, Cytotoxic activity, KB cell
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1368

Abstract | Full Text: PDF


1371  

Fluorescence Sensing of Dihydrogen Phosphate and Pyrophosphate using Imidazolium Anthracene Derivatives
Zhaochao Xu, Ji Young Choi, Juyoung Yoon*
Keywords: Fluorescent chemosensors, Dihydrogen phosphate sensor, Pyrophosphate sensor, Imidazolium, Anion recognition
Online date: April 06, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1371

Abstract | Supporting Information | Full Text: PDF


1375  

Kinetics and Mechanism of the Pyridinolysis of O-Aryl Methyl Phosphonochloridothioates in Acetonitrile
Arun Kanti Guha, Md. Ehtesham Ul Hoque, Hai Whang Lee *
Keywords: Biphasic free energy correlation, Phosphoryl transfer reaction, Pyridinolysis, O-Aryl methyl phosphonochloridothioates
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1375

Abstract | Full Text: PDF


1379  

Ethyl-3,4-dephostatin Inhibits Dual-specificity phosphatase 22 (DUSP22) Activity
Huiyun Seo, Heemun Kim, Sayeon Cho *
Keywords: DUSP22, Ethyl-3,4-dephostatin, PTP inhibitor
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1379

Abstract | Full Text: PDF


1383  

A Practical Synthesis of Thioflavones and Heterocyclic Analogues by Intramolecular Rearrangement of S-2-Acetophenyl Benzothioates as a Key Step
Jae In Lee *Min Jung Kim
Keywords: Thioflavones, Condensation, Cyclization, Rearrangement, Cyclodehydration
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1383

Abstract | Full Text: PDF


1387  

Regioselective Synthesis of Fluorenones via the Consecutive In-Mediated Barbier Reaction, Pd-Catalyzed Cyclization, and Friedel-Crafts Reaction Starting from Baylis-Hillman Adducts
Ko Hoon Kim, Sung Hwan Kim, Ka Young Lee, Jae Nyoung Kim*
Keywords: Baylis-Hillman adduct, Fluorenones, Indium, Palladium, Friedel-Crafts reaction
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1387

Abstract | Full Text: PDF


1391  

Red Fluorescent 4-(Dicyanomethylene)-2-norbonenyl-6-(1,1,7,7-tetramethyljulolidyl- 9-enyl)-4H-pyran (DCJNB) for Organic Light-Emitting Diodes (OLEDs)
Kum Hee Lee, Young Kwan Kim,*, Seung Soo Yoon*
Keywords: Kum Hee Lee, Young Kwan Kim,†,* and Seung Soo Yoon*
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1391

Abstract | Full Text: PDF


1395  

Hierachical Self-Assembly of an Anthracene Derivative in Aqueous Solution
Jie Song, Kang Li, Pusu Zhao*, Jianchun Bao*
Keywords: Organic compound, Crystal structure, Crystal growth, Optical properties
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1395

Abstract | Full Text: PDF


1399  

Preparation of Alkyl Formates from Corresponding Alcohols using Ethyl Formate Catalyzed by Poly(4-vinylpyridinium tribromide) under Neutral and Solvent-Free Conditions
Arash Ghorbani Choghamarani *Masoomeh Norouzi
Keywords: Alcohols, Alkyl formate, Formylation, Poly(4-vinylpyridinium tribromide), Ethyl formate
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1399

Abstract | Full Text: PDF


1403  

Triterpenoid Saponins from Albizia mollis
Zhong Quan Cheng, Dan Yang, Qing Yun Ma, Xin Hui Yi, Nen Ling Zhang, Jun Zhou*, You Xing Zhao*
Keywords: Albizia mollis, Saponins, Molliside A, Molliside B
Online date: April 04, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1403

Abstract | Full Text: PDF


1407  

Imidazole Trimer-Water Complexes in Superfluid Helium Nanodroplets: Water Stretching Modes
Ahreum Ahn, Seung Jun Lee, Seulki Lee, Ahreum Min, Yusic Kim, Hyeon Jin Jung, Seong Min Hong, Joon Hwa Lee*, Myong Yong Choi*, Roger E. Miller
Keywords: Superfluid helium nanodroplets, Imidazole trimer-water complexes, DFT calculations, Infrared spectroscopy
Online date: April 07, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1407

Abstract | Full Text: PDF


1411  

Ester Derivatives of Kojic Acid and Polyphenols Containing Adamantane Moiety with Tyrosinase Inhibitory and Anti-inflammatory Properties
Ho Sik Rho*, Myeongin Goh, Jaekyoung Lee, Soo Mi Ahn, Jaeho Yeon, Dae Sung Yoo, Duck Hee Kim, Han Gon Kim, Jae Youl Cho*,
Keywords: Kojic acid, Polyphenol, Adamantane, Tyrosinase, Nitric oxide
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1411

Abstract | Full Text: PDF


1415  

Phosphorescence Properties of Ir(ppy)3 Films
Joo Hee Seo, Noh Soo Han, Hyeong Seop Shim, Jang Hyuk Kwon,*, Jae Kyu Song*
Keywords: Ir(ppy)3, Phosphorescence, Triplet states, Energy transfer
Online date: April 05, 2011
DOI: https://doi.org/10.5012/bkcs.2011.32.4.1415

Abstract | Full Text: PDF